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102022112021202 = 233531011736073361
BaseRepresentation
bin10111001100100111011111…
…101111110000101011010010
3111101020012220101211102221000
4113030213133233300223102
5101333012241134134302
61000552151121042430
730326566020546402
oct2714473757605322
9441205811742830
10102022112021202
112a56437558584a
12b53869aa86416
1344c084a7c1619
141b29c7a282802
15bbdc68b5731c
hex5cc9dfbf0ad2

102022112021202 has 256 divisors, whose sum is σ = 235085430435840. Its totient is φ = 32780547072000.

The previous prime is 102022112021191. The next prime is 102022112021209. The reversal of 102022112021202 is 202120211220201.

It is a happy number.

102022112021202 is a `hidden beast` number, since 10 + 202 + 211 + 20 + 21 + 202 = 666.

It is a super-2 number, since 2×1020221120212022 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102022112021209) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30354688002 + ... + 30354691362.

It is an arithmetic number, because the mean of its divisors is an integer number (918302462640).

Almost surely, 2102022112021202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102022112021202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117542715217920).

102022112021202 is an abundant number, since it is smaller than the sum of its proper divisors (133063318414638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102022112021202 is a wasteful number, since it uses less digits than its factorization.

102022112021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306 (or 4300 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102022112021202 its reverse (202120211220201), we get a palindrome (304142323241403).

The spelling of 102022112021202 in words is "one hundred two trillion, twenty-two billion, one hundred twelve million, twenty-one thousand, two hundred two".